Home / 8,227.11-12,338.87-2,605.22

Finding the Fourth Proportional to 8,227.11, 12,338.87 and 2,605.22

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Solution

The fourth proportional to 8,227.11, 12,338.87 and 2,605.22 is: 3,907.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,227.11 : 12,338.87 = 2,605.22 : x
  2. Step 2: Convert to fraction form
    8,227.11/12,338.87 = 2,605.22/x
  3. Step 3: Cross multiply
    8,227.11x = 12,338.87 × 2,605.22
  4. Step 4: Simplify right side
    8,227.11x = 32,145,396.18
  5. Step 5: Solve for x
    x = 32,145,396.18/8,227.11
  6. Step 6: Final answer
    x = 3,907.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.